Scadding GW, Eifan AO, Lao-Araya M, Penagos M, Poon SY, Steveling E, Yan R, Switzer A, Phippard D, Togias A, Shamji MH, Durham SR. Effect of grass pollen immunotherapy on clinical and local immune response to nasal allergen challenge. Allergy 2015;70;689–696. In the article ‘Effect of grass pollen immunotherapy on clinical and local immune response to nasal allergen challenge’, one of the authors was accidentally omitted from the author list. In the published print version, the author list is given as below: G. W. Scadding, A. Eifan, M. Lao-Araya, M. Penagos, S. Y. Poon, E. Steveling, R. Yan, A. Switzer, A.O. Eifan, A. Togias, M. H. Shamji & S. R. Durham The correct author list is as follows: G. W. Scadding, A.O. Eifan, M. Lao-Araya, M. Penagos, S. Y. Poon, E. Steveling, R. Yan, A. Switzer, D. Phippard, A. Togias, M. H. Shamji & S. R. DurhamWe apologize for any inconvenience caused.